<template>
  <view>
    <view class="search-box">
      <uni-search-bar @input="input" :radius="100" cancelButton="none"></uni-search-bar>
    </view>

    <!-- 搜索建议列表 -->
    <view class="sugg-list" v-if="kw">
      <view class="sugg-item" v-for="(item,i) in searchList" :key="i" @click="goGoodsDetail(item.goods_id)">
        <view class="goods-name">{{item.goods_name}}</view>
        <uni-icons type="arrowright" size="16"></uni-icons>
      </view>
    </view>

    <!-- 搜索历史 -->
    <view class="history-box" v-else>
      <!-- 标题区域 -->
      <view class="history-title">
        <text>搜索历史</text>
        <uni-icons type="trash" size="17" @click="deleteSearchResult" ></uni-icons>
      </view>
      <!-- 列表区域 -->
      <view class="history-list">
        <uni-tag :text="item" v-for="(item,i) in histories" :key="i" @click="gotoGoodsList(item)" ></uni-tag>
      </view>
    </view>
  </view>
</template>

<script>
	export default {
		data() {
			return {
        // 定时器
        time:null,
        // input.value
				kw:'',
        searchList:[],
        // 历史记录
        searchrResult:[]
			};
		},
    onLoad(){
   this.searchrResult=JSON.parse(uni.getStorageSync ("kw") || '[]')
    },
    methods:{
      // 输入框拿值
      input(e){
       clearTimeout(this.time)
        this.time=setTimeout(()=>{
          this.kw=e.value
          this.getSearchList()
        },1000) 
      },
      // 拿搜索数据 列表
     async getSearchList(){
        if(this.kw!==''){
        const {data:res}=await uni.$http.get('/api/public/v1/goods/qsearch',{query:this.kw  })
        if(res.meta.status!==200) return  uni.$showMsg()
        this.searchList=res.message
       // this.searchrResult.push(this.kw)
       
       
        this.setSeachResult()
        console.log(this.searchrResult,2)
        }
      },
      // 搜索记录存本地
      setSeachResult(){     
        
        const set = new Set(this.searchrResult)
              set.delete(this.kw)
              set.add(this.kw)
              this.searchrResult = Array.from(set)
               uni.setStorageSync('kw', JSON.stringify(this.searchrResult))
               },
               deleteSearchResult(){
                 uni.showModal({
                     title: '提示',
                     content: '确认删除所有记录？',
                     success: (res)=> {
                         if (res.confirm) {    
                           this.searchrResult=[]
                             uni.setStorageSync('kw', '[]')
                         } else if (res.cancel) {
                             console.log('已取消');
                         }
                     }    
                 })
                 // uni.setStorageSync('kw', [])
               },
               
               goGoodsDetail(id){
                 uni.navigateTo({
                         url:'../../subpkg/goods_detail/goods_detail?goods_id='+id    
                       })
               },
               // 点击跳转到商品列表页面
               gotoGoodsList(kw) {
                 uni.navigateTo({
                   url: '/subpkg/goods_list/goods_list?query=' + kw
                 })
               }
    },
    // 数组翻转最新搜索靠前
    computed: {
          histories() {
            return [...this.searchrResult].reverse()
          }
        }
	}
</script>

<style lang="scss">
  .search-box {
    position: sticky;
    top: 0;
    z-index: 999;
  }

  .sugg-list {
    padding: 0 5px;

    .sugg-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      font-size: 12px;
      padding: 13px 0;
      border-bottom: 1px solid #efefef;

      .goods-name {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        margin-right: 3px;
        font-size: 16px;
      }
    }
  }

  .history-box {
    padding: 0 5px;

    .history-title {
      display: flex;
      justify-content: space-between;
      height: 40px;
      align-items: center;
      font-size: 13px;
      border-bottom: 1px solid #efefef;
    }

    .history-list {
      display: flex;
      flex-wrap: wrap;

      .uni-tag {
        margin-top: 5px;
        margin-right: 5px;
      }
    }
  }
</style>